Rename Scrum artifacts to be more accurate

diff --git a/pictures/ASDM_Project_SimpleModel.png b/pictures/ASDM_Project_Technical_SimpleModel.png
similarity index 100%
rename from pictures/ASDM_Project_SimpleModel.png
rename to pictures/ASDM_Project_Technical_SimpleModel.png

diff --git a/release_plan.md b/technical_release_plan.md
similarity index 100%
rename from release_plan.md
rename to technical_release_plan.md